Refractory anchor



FIG. 1 is a perspective view of a refractory anchor according to the present invention.

FIG. 2 is a front elevation view of the refractory anchor of FIG. 1, the rear elevation view being identical.

FIG. 3 is a left side elevation view of the refractory anchor of FIG. 1, the right side elevation view being identical.

FIG. 4 is a top plan view of the refractory anchor of FIG. 1; and,

FIG. 5 is a bottom plan view of the refractory anchor of FIG. 1.

The broken lines in the drawings illustrate portions of the refractory anchor and form no part of the claimed design. 

CLAIM The ornamental design for a refractory anchor, as shown and described. 